264400632 has 32 divisors (see below), whose sum is σ = 734446800. Its totient is φ = 88133472.

The previous prime is 264400621. The next prime is 264400651. The reversal of 264400632 is 236004462.

264400632 is a `hidden beast` number, since 26 + 4 + 4 + 0 + 0 + 632 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 264400596 and 264400605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611823 + ... + 612254.

Almost surely, 2^264400632 is an apocalyptic number.

It is an amenable number.

264400632 is an abundant number, since it is smaller than the sum of its proper divisors (470046168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

264400632 is a wasteful number, since it uses less digits than its factorization.

264400632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224092 (or 1224082 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 264400632 is about 16260.4007330693. The cubic root of 264400632 is about 641.8312072631.

The spelling of 264400632 in words is "two hundred sixty-four million, four hundred thousand, six hundred thirty-two".